These are the headlines you Need2Know:
* **Toronto Shooter Had Tumultuous Mental History:**
The parents of slain shooter Faisal Hussain went public on his history of mental illness, but officials have not yet identified his motives. The 29-year-old shot and killed two and wounded at least a dozen on Sunday. Read the details [here](https://www.cnn.com/2018/07/24/americas/toronto-shooting-investigation/index.html).
* **Umbrellas Up, Northeasterners!:**
A flash-flood warning is in effect after heavy rainfall has flooded several Pennsylvanian towns. In Scranton, certain parts of Hershey park are submerged in water. See the map [here](https://twitter.com/NWS/status/1021536276095426560).
* **Twitter War Forges Ahead:**
Following President Trump’s all-caps [Twitter](https://twitter.com/realDonaldTrump/status/1021234525626609666) threat to Iranian President Hassan Rouhani, the Iranian Foreign Minister Mohammad Javad Zarif fired back on Monday, warning the U.S. to, “BE CAUTIOUS!” Read the full subtweet from Zarif [here](https://twitter.com/JZarif/status/1021471196242735104).
* **North Korea Tunes it Down:**
Just over a month after Trump met with North Korean leader Kim Jong-un in Singapore to discuss denuclearization, the country is dismantling several ballistic missile launch sites. Stay with the story [here](https://www.theguardian.com/world/2018/jul/24/north-korea-satellite-images-show-dismantling-of-missile-test-facilities-report).
Cheddar's Hena Doba with the latest.
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Republicans eagerly elected Rep. Mike Johnson as House speaker on Wednesday, elevating a deeply conservative but lesser-known leader to the seat of U.S. power and ending for now the political chaos in their majority.
With mail theft and postal carrier robberies up, law enforcement officials have made more than 600 arrests since May in a crackdown launched to address crime that includes carriers being accosted at gunpoint for their antiquated universal keys, the Postal Service announced Wednesday.
Schools, shops, banks and Iceland's famous swimming pools shut on Tuesday as women in the volcanic island nation — including the prime minister — went on strike to push for an end to unequal pay and gender-based violence.
A group of 33 states including California and New York are suing Meta Platforms Inc. for harming young people’s mental health and contributing the youth mental health crisis by knowingly designing features on Instagram and Facebook that addict children to its platforms.
In a courtroom showdown five years in the making, Donald Trump's fixer-turned-foe Michael Cohen testified Tuesday that he worked to boost the supposed value of the former president's assets to “whatever number Trump told us to."
